CA2520038C - Transmission of the toroidal race rolling traction type - Google Patents

Transmission of the toroidal race rolling traction type Download PDF

Info

Publication number
CA2520038C
CA2520038C CA2520038A CA2520038A CA2520038C CA 2520038 C CA2520038 C CA 2520038C CA 2520038 A CA2520038 A CA 2520038A CA 2520038 A CA2520038 A CA 2520038A CA 2520038 C CA2520038 C CA 2520038C
Authority
CA
Canada
Prior art keywords
variator
actuators
disc
axis
roller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CA2520038A
Other languages
English (en)
French (fr)
Other versions
CA2520038A1 (en
Inventor
Brian Joseph Dutson
Leslie Kendrick Robinson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Allison Transmission Inc
Original Assignee
Torotrak Development Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Torotrak Development Ltd filed Critical Torotrak Development Ltd
Publication of CA2520038A1 publication Critical patent/CA2520038A1/en
Application granted granted Critical
Publication of CA2520038C publication Critical patent/CA2520038C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
    • F16H15/04—Gearings providing a continuous range of gear ratios
    • F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
    • F16H15/32—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line
    • F16H15/36—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface
    • F16H15/38—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line with concave friction surface, e.g. a hollow toroid surface with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Friction Gearing (AREA)
CA2520038A 2003-04-09 2004-04-08 Transmission of the toroidal race rolling traction type Expired - Lifetime CA2520038C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0308214.6 2003-04-09
GBGB0308214.6A GB0308214D0 (en) 2003-04-09 2003-04-09 Transmission of the toroidal race rolling traction type
PCT/GB2004/001556 WO2004090382A1 (en) 2003-04-09 2004-04-08 Transmission of the toroidal race rolling traction type

Publications (2)

Publication Number Publication Date
CA2520038A1 CA2520038A1 (en) 2004-10-21
CA2520038C true CA2520038C (en) 2016-03-22

Family

ID=9956495

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2520038A Expired - Lifetime CA2520038C (en) 2003-04-09 2004-04-08 Transmission of the toroidal race rolling traction type

Country Status (13)

Country Link
US (1) US9175758B2 (pt)
EP (1) EP1611372B1 (pt)
JP (1) JP2006522906A (pt)
KR (1) KR101128659B1 (pt)
CN (1) CN1768214B (pt)
AT (1) ATE526522T1 (pt)
BR (1) BRPI0409210B1 (pt)
CA (1) CA2520038C (pt)
ES (1) ES2374395T3 (pt)
GB (1) GB0308214D0 (pt)
MX (1) MXPA05010732A (pt)
RU (1) RU2382261C2 (pt)
WO (1) WO2004090382A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0308214D0 (en) 2003-04-09 2003-05-14 Torotrak Dev Ltd Transmission of the toroidal race rolling traction type
WO2010097966A1 (ja) * 2009-02-27 2010-09-02 井関農機株式会社 作業車両

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1395391A (en) 1917-11-02 1921-11-01 Prec Truing Machine And Tool C Device for truing and dressing grinding-wheels
GB665237A (en) 1948-08-11 1952-01-16 Pignone Societa Per Azioni Continuous speed variator with a small stress of control and a high ratio variation
US3810398A (en) * 1972-11-16 1974-05-14 Tracor Toric transmission with hydraulic controls and roller damping means
SU579482A1 (ru) 1974-05-05 1977-11-05 Липецкий Ордена Ленина Тракторный Завод Им.Ххш Съезда Кпсс Автоматический торовый вариатор
US4499782A (en) 1981-10-05 1985-02-19 National Research Development Corporation Transmission units of the toroidal race rolling friction type
GB2108600A (en) 1981-10-24 1983-05-18 Leyland Vehicles Continuously-variable-ratio transmisson
GB8320608D0 (en) 1983-07-30 1983-09-01 Leyland Vehicles Hydraulic control system
US4885949A (en) 1988-03-14 1989-12-12 Barber Jr John S Continuously variable or fixed ratio velocity transmission mechanism
IN176702B (pt) 1988-11-21 1996-08-24 Torotrak Dev Ltd
JP2501911B2 (ja) 1989-08-15 1996-05-29 日産自動車株式会社 トロイダル型無段変速機
US5044214A (en) 1989-12-11 1991-09-03 Barber Jr John S Toroidal transmission with split torque and equalization planetary drive
GB9015438D0 (en) 1990-07-13 1990-08-29 Fellows Thomas G Improvements in or relating to transmissions of the toroidal-race rolling-traction type
JP3516706B2 (ja) 1993-09-27 2004-04-05 ジヤトコ株式会社 摩擦車式無段変速機
JP3480034B2 (ja) * 1994-04-06 2003-12-15 日本精工株式会社 トロイダル型無段変速機
JPH08135746A (ja) 1994-11-07 1996-05-31 Nippon Seiko Kk トロイダル型無段変速機
JP3623326B2 (ja) * 1996-10-31 2005-02-23 ジヤトコ株式会社 トロイダル型無段変速機
JP4244502B2 (ja) 2000-06-27 2009-03-25 日本精工株式会社 トロイダル型無段変速機
JP3555576B2 (ja) 2000-12-13 2004-08-18 トヨタ自動車株式会社 トロイダル型無段変速機
DE10223425A1 (de) 2002-05-25 2003-12-04 Bayerische Motoren Werke Ag Stufenlos regelbares Reibrollen-Toroidgetriebe
GB0221484D0 (en) 2002-09-17 2002-10-23 Torotrak Dev Ltd Hydraulic actuator and variator
GB0308214D0 (en) 2003-04-09 2003-05-14 Torotrak Dev Ltd Transmission of the toroidal race rolling traction type

Also Published As

Publication number Publication date
RU2382261C2 (ru) 2010-02-20
EP1611372B1 (en) 2011-09-28
BRPI0409210A (pt) 2006-03-28
RU2005134657A (ru) 2006-06-27
ES2374395T3 (es) 2012-02-16
EP1611372A1 (en) 2006-01-04
JP2006522906A (ja) 2006-10-05
MXPA05010732A (es) 2005-12-15
WO2004090382A1 (en) 2004-10-21
CA2520038A1 (en) 2004-10-21
GB0308214D0 (en) 2003-05-14
KR101128659B1 (ko) 2012-03-26
ATE526522T1 (de) 2011-10-15
US9175758B2 (en) 2015-11-03
CN1768214A (zh) 2006-05-03
US20070149347A1 (en) 2007-06-28
CN1768214B (zh) 2010-08-04
BRPI0409210B1 (pt) 2016-12-06
KR20050117584A (ko) 2005-12-14

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MKEX Expiry

Effective date: 20240408